120021133220123 has 2 divisors, whose sum is σ = 120021133220124. Its totient is φ = 120021133220122.

The previous prime is 120021133220111. The next prime is 120021133220143. The reversal of 120021133220123 is 321022331120021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120021133220123 - 2¹² = 120021133216027 is a prime.

It is not a weakly prime, because it can be changed into another prime (120021133220143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010566610061 + 60010566610062.

It is an arithmetic number, because the mean of its divisors is an integer number (60010566610062).

Almost surely, 2^{120021133220123} is an apocalyptic number.

120021133220123 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021133220123 is an equidigital number, since it uses as much as digits as its factorization.

120021133220123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 120021133220123 its reverse (321022331120021), we get a palindrome (441043464340144).

The spelling of 120021133220123 in words is "one hundred twenty trillion, twenty-one billion, one hundred thirty-three million, two hundred twenty thousand, one hundred twenty-three".